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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992322559

1008Image EncodingUSTU PhysTech Cup 20003872335

1016Cube on the WalkUSU Local Contest. 19991684766

1022Genealogical TreeAutumn School Contest 20009474137

1033LabyrinthUral Championship 19995573231

1035Cross-stitchUral Championship 19999941284

1040Airline CompanyUSU Championship 20001298979

1045Funny GameUSU Local Contest. March 20002451514

1056Computer NetNEERC 2000 Central Subregional2398524

1065FrontierNEERC 20008691361

1069Prufer CodeUSU Personal Contest 20012211524

1072RoutingUSU Personal Contest 20012390485

1076Trash1755656

1077Travelling Tours1018409

1080Map ColoringWinter Mathematical Festival Varna 20014540253

1085MeetingSpring School Contest 20011958580

1096Get the Right Route Plate!USU Local Contest. March 20011600674

1099Work Scheduling8041206

1106Two TeamsTetrahedron Team Online Contest May 2001522980

1109ConferenceBulgarian Online Contest September 20011670250

1119MetroAutumn School Contest 2001530879

1124MosaicUSU Championship 20011343311

1128Partition into GroupsUSU Championship 2001988422

1129Door PaintingUSU Championship 2001923451

1136ParliamentNEERC 2001 Central Subregional4157101

1137Bus RoutesNEERC 2001 Central Subregional1379303

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011036403

1156Two RoundsUral Championship 2001. Round 21237338

1160NetworkNEERC 2001 Northern Subregional1350315

1162Currency ExchangeNEERC 2001 Northern Subregional906460

1176HyperchannelsUSU Personal Contest 20021132370

1182Team Them Up!NEERC 2001828505

1198Jobbery803548

1199Mouse1023525

1205By the Underground or by Foot?USU Local Contest. March 20021782236

1208Legendary Teams ContestUSU Local Contest. March 20022204191

1210Kind SpiritsAutumn School Contest 20022813152

1218Episode N-th: The Jedi TournamentUSU Championship 20021280332

1227Rally ChampionshipNEERC 2002 Central Subregional1353314

1237Evacuation PlanNEERC 2002455924

1242WerewolfUSU Personal Contest 20031961219

1250Sea BurialUSU Local Contest. March 2003596711

1254Die HardUSU Local Contest. March 2003649654

1270UnicubeUSU Championship 20031732378

1271Sailing DirectionsUSU Championship 2003854582

1272Non-Yekaterinburg SubwayUSU Championship 20032698161

1277Cops and ThievesNEERC 2003 Central Subregional533802

1280Topological SortingNEERC 2003 Central Subregional2790156

1281River BasinNEERC 2003 Central Subregional3091365

1291Gear-wheelsSpring School Contest 20041053412

1301Cube in LabyrinthUral Championship 1998582740

1314Chase in SubwayUral Championship 2004. Round 1834519

1315MDPAR and MIIARUral Championship 2004. Round 12101993

1320Graph DecompositionUral Championship 2004. Round 21363319

1323ClassmatesUral Championship 2004. Round 2528815

1325DirtUral Championship 2004. Round 2751576

1329Galactic HistoryAutumn School Contest 2004923473

1337BureaucracyAutumn School Contest 20042711571

1338AutomobilesUSU Championship 20042431753

1339BabiesUSU Championship 2004462939

1358CablesSpring School Contest 2005760576

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21882244

1367Top SecretUral Championship 2005. Round 21363043

1379Cups TransportationUral Championship 2005. Round 1591742

1392Dreaming of Stars571768

1399Economical Director2610963

1400Cellular CharactersAutumn School Contest 2005811543

1416ConfidentialUSU Championship 20051035425

1419Maps of the Island WorldsUSU Championship 20053181354

1421Credit OperationsTimus Top Coders: First Challenge767556

1434Buses in VasyukiUSU Personal Contest 20063961059

1441From the History of Gringotts BankUral Championship 20063241277

1447Portkey NetworkUral Championship 20063801094

1449Credit Operations 2Timus Top Coders: Second Challenge2891416

1450Russian PipelinesTimus Top Coders: Second Challenge1408299

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest655411

1487Chinese FootballUSU Championship 20063081272

1500Pass LicensesNEERC 2006 Eastern Subregional620638

1505Oil TransferNEERC 2006 Eastern Subregional1302871

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2761362

1533Fat HobbitsUSU Personal Contest 20073341128

1544Classmates 3Ural Championship 20073121189

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2141635

1569Networking the “Iset”USU Championship 20073331064

1575Yekaterinburg Subway 2Autumn School Contest 2007384924

1580Dean's DebtsAutumn School Contest 2007401886

1610CactusesUral Championship 20081821805

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest923259

1630TalismanUSU Championship 2008344924

1641DutiesAutumn School Contest 2008696461

1643Attack of the Dark FortressAutumn School Contest 2008703457

1651Shortest SubchainNEERC 2008 Eastern Subregional926347

1652Banking CrisisNEERC 2008 Eastern Subregional1192518

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1531963

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1851630

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest903118

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2851057

1709Penguin-AviaUral Championship 20091971156

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional544527

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest943296

1770The Party of Ural ChampionsUral Championship 20101681543

1806Mobile TelegraphsNEERC 2010 Eastern Subregional411609

1833Hopes of RowingUral Championship 2011852527

1837Isenbaev's NumberUral Championship 2011397260

1847ZamkadyePetrozavodsk Summer 2010. USU Contest473996

1882Old NokiaUral Regional School Programming Contest 2011782555

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional554398

1905Travel in TimeUral Championship 2012197940

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional227819

1930Ivan's CarUral Regional School Programming Contest 20121063180

1934Black SpotUral FU Championship 2012624303

1966Cycling RoadsUral FU Personal Contest 2013279602

1980Road to InvestorUral Championship 2013305542

1982Electrification PlanUral FU Championship 20131291126

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional187692

2017Best of a bad lotNEERC 2014 Eastern Subregional129981

2030Awesome Backup SystemUral Regional School Programming Contest 2014324405

2034CaravansUral Regional School Programming Contest 2014485273

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest601909

2055Urban GeographyUral Championship 2015901207

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014751040